>>I'm pretty sure I read somewhere that carbon nanotubes have the necessary
>>strength/weight ratio to accomplish this. Of course manufacturing them 
>>into
>>a cable ant any realistic price is another thing. :o)

> http://www.jrn.columbia.edu/studentwork/cns/2003-05-23/288.asp


The material that is suitable for the first beanstalk, when they finally 
develop it at an acceptable cost for mass production, will also allow them 
to build the Africa - Gibraltar bridge.



        RM

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